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680#.take Drive Redwood City,CA 9406 (650)364-9600 FAX(650)364-9233 <br /> � ) _ <br /> Sequoia 404 get Lane Walnut Creek.CA 94598(925)988-9600 FAX(925)988-9673 <br /> -r <br /> Analytical <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834' (916)921-9600 FAX(916)921-0100 <br /> A alyti cal 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> acne Technical Services,Inc. Project: Equilon Enterprises Sampled: 1/28/99 <br /> 1680 Rogers Ave. Project Number: 305 S.Hutchins,Lodi/990128-J1 Received: 2/2/99 <br /> San Jose,CA 95112 Project Manager: Fran Thie Reported: 2/12/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> MW-1 P902046-01 Water <br /> Gasoline 9020260 2/11/99 2/11/99 250 433 ug/l <br /> Benzene 2.50 5.13 " <br /> Toluene 2.50 ND " <br /> Ethylbenzene 2.50 ND " <br /> Xylenes(total) 2.50 4.60 <br /> Methyl tert-butyl ether P. " 1110.0 959 " <br /> Surrogate: a,a,a-Tri,Jluorotoluene 65.0-135 92.0 % <br /> Surrogate: 4-Bromofluorobenzene 65.0-135 98.0 " <br /> MW-2 P902046-02 Water <br /> Gasoline 9020260 2/11/99 2/11/99 50.0 ND ug/1 <br /> Benzene 0.500 ND " <br /> Toluene 0.500 0.785 " <br /> Ethylbenzene 0.500 ND " <br /> lenes(total) 0.500 1.02 <br /> l,yl tert-butyl ether 2.00 10 " <br /> ogate: a,a,a-Tris luorotoluene " 65.0-135 92.3 % <br /> Surrogate: 4-Bromofluorobenzene 65.0-135 98.3 " <br /> MW-3 P902046-03 Water <br /> Gasoline 9020260 2/11/99 2/11/99 100 137 ug/1 <br /> Benzene " 1.00 2.10 " <br /> Toluene 1.00 ND " <br /> Ethylbemcne 1.00 ND " <br /> Xylenes(total) 1.00 ND " <br /> Methyl tert-butyl ether 4.00 355 _ <br /> Surrogate: a,a,a-Trifluorotoluene " " " 65.0-135 94.3 % <br /> Surrogate: 4-Bromofluorobenzene " " " 65.0-135 97.3 " <br /> MW4 P902046-04 Water <br /> Gasoline 9020260 2/11/99 2/11/99 50.0 ND ug/l <br /> Benzene 0.500 ND <br /> Toluene 0.500 1.63 " <br /> Ethylbenzene 0.500 0.907 " <br /> Xylenes(total) 0.500 2.21 " <br /> Methyl tert-butyl ether 2.00 ND " <br /> Surrogate: a,a,a-Tris luorotoluene 65.0-135 98.7 % <br /> Surrogate: 4-Bromofluorobenzene " " 6S.0-135 97.0 " <br /> oia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> Page 2 of 14 <br /> v�U <br />